Definition of "Inquisitorial" :
adjective: having the authority to conduct official investigations
"The inquisitorial power of the Senate."
adjective: marked by inquisitive interest; especially suggestive of an ecclesiastical inquisitor
"The press was inquisitorial to the point of antagonism."
adjective: especially indicating a form of prosecution in which proceedings are secret and the accused is questioned by a prosecutor who acts also as the judge